Ray, U.N. . <br/><br/>
Analytical Conics for Beginners /  Textual Documents 
U.N.Ray. 
 - 1st ed. / 
 - Calcutta :  S.C.Auddy & Co.Ltd. ,  1939. 
 - 298p. :  ill ;  19cm . 
<br/><br/><label>Subjects--Index Terms: </label>Analytical Conics Conics-Analytical Coordinates Geometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>516.22  / R 212 An